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How to Improve Your Teeth & Oral Microbiome for Brain & Body Health | Dr. Staci Whitman

My guest is Dr. Staci Whitman, DMD, a board-certified dentist for kids and adults. We discuss the critical importance of oral care and the oral microbiome for brain and bodily health. We examine the negative effects of common oral care product ingredients such as alcohol, astringents, and bleaches. We also explore the history and real impact of fluoridated drinking water on oral, bone, and systemic health. Then we discuss healthy, lesser-known solutions for bad breath, canker sores, cavities, and teeth whitening. We cover how teeth can be made to repair their own cavities and the connection between oral health and cardiovascular health, male and female fertility, dementia, and cancer. This episode goes far beyond the best approaches to brushing and flossing and will be a valuable resource for anyone seeking to improve their oral health and appearance at any age. Read the episode show notes: https://go.hubermanlab.com/9ra7yGU *Thank you to our sponsors* AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman BetterHelp: https://betterhelp.com/huberman Joovv: https://joovv.com/huberman Function: https://functionhealth.com/huberman LMNT: https://drinklmnt.com/huberman *Dr. Staci Whitman* Website: https://doctorstaci.com Feed Your Good Guys (Fygg): https://fygg.com Happi Floss: https://www.happifloss.com Newsletter: https://manage.kmail-lists.com/subscriptions/subscribe?a=Y8kzJt&g=XRTN6i Blog: https://doctorstaci.com/blog NoPo Kids Dentistry: https://nopokids.com Online consultations: https://doctorstaci.com/functional-pediatric-dentistry-consultations-with-doctor-staci YouTube: https://www.youtube.com/@doctor_staci Instagram: https://www.instagram.com/doctor_staci Facebook: https://www.facebook.com/doctorstaci TikTok: https://www.tiktok.com/@doctor_staci LinkedIn: https://www.linkedin.com/in/staci-whitman-dmd-ifmcp-nmd-iabd-b5845a9 X: https://x.com/doctorstaci *Timestamps* 00:00:00 Dr. Staci Whitman 00:02:04 Oral Health & Oral Microbiome 00:05:01 Oral Healthcare Ingredients, Sodium Lauryl Sulfate (SLS); Canker Sores 00:08:45 Sponsors: Eight Sleep & BetterHelp 00:11:38 Cavities & Teeth De-/Remineralization, Fluoride 00:19:14 Cavities, Tool: Meal Frequency, Fasting 00:21:51 Sugar, “Dissolvable” Carbs & Cavities, Tools: Feed the Rainbow, Clean Diet 00:27:41 White Teeth, Bleaching, Hydroxyapatite, Mouth Breathing 00:34:34 Antibiotics, Gut & Oral Microbiome, Tool: Probiotics 00:36:20 Mouthwash, Alcohol, Astringents, Cardiovascular Risk, Bad Breath 00:39:54 Sponsors: AG1 & Joovv 00:42:21 Saliva, Dry Mouth, Salivary Analysis, Tools: Hydration; Nasal Breathing 00:47:23 Mouth vs. Nasal Breathing, Hard & Soft Tissue Issues 00:54:19 Deviated Septum, Therapies, Kids & Adults, Mouth Breathing & Sleep Disorders 01:00:42 Gum Health, Flossing; Sexual Health 01:01:50 Shifting to Nasal Breathing, Mouth Taping, Tools: 3-Minute Test, Kiss The Sky 01:05:53 Chewing Gum, Mastic Gum, Tool: Xylitol; Chewing Food, Breastfeeding 01:11:28 Sponsor: Function 01:13:15 Gum Disease, “Leaky Gums”, Cardiovascular Disease, Dementia, Cancer 01:20:05 Antibiotics, Ozone Therapy, Oil Pulling, Mold, Tool: Coconut Oil; Facial Trauma 01:28:07 Nicotine Gum & Pouches, Oral Health; Coffee, Teeth Whitening 01:34:16 Whole Foods, Hydroxyapatite Toothpaste; Tool: Testing Oral Microbiome 01:39:39 Water Fluoridation, History, Other Fluoride Sources, Neurocognitive Issues 01:54:57 Drinking Water & Fluoride, Toothpaste, Cavities 01:59:51 Sponsor: LMNT 02:01:07 Water Fluoridation & Levels 02:04:52 Oral Health & Fertility 02:07:03 Toothbrushing, Flossing, Waterpik, Tool: Toothbrushing & Meals 02:13:23 Teeth Spots & Markings, Fluorosis, Hypoplastic Enamel 02:19:10 Oral Health, Women, Pregnancy, Menopause & Burning Mouth 02:23:16 Geographic Tongue; Lip Balm; Mouth Breathing, Symmetrical Chewing 02:27:09 Tongue Tie, Chewing & Speech Function, Intervention 02:32:27 Red Light Therapy, Peptides & Exosomes 02:34:40 Mercury Fillings, Ceramic Composites, Retainers, Sealants 02:39:08 Dentists, Depression, Anxiety, Suicide; Insurance 02:45:05 Recap, Top Behavioral Tools for Oral Health, Tongue Scrapping 02:52:10 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter #HubermanLab #Health #OralHealth #Dentistry Disclaimer & Disclosures: https://www.hubermanlab.com/disclaimer

Andrew HubermanhostDr. Staci Whitmanguest
Mar 24, 20252h 54mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 3:35

    Oral Health as a Pillar of Whole‑Body Health

    Huberman introduces Dr. Staci Whitman and frames oral health as central to brain, heart, hormonal, and gut health—not just teeth and breath. They outline the episode’s aim: debunk myths about oral care, explain the oral microbiome, and provide practical tools that improve aesthetics and disease risk simultaneously.

  2. 3:35 – 44:30

    Toxic Toothpastes, Mouthwashes and the Oral Microbiome

    Whitman explains how conventional oral products with foaming agents, alcohol, and strong essential oils disrupt the microbiome and oral tissues. They discuss SLS, essential oils, and canker sores, emphasizing that chronic bad breath should prompt a search for root causes, not more antimicrobials.

  3. 44:30 – 53:35

    Demineralization, Remineralization and the Truth About Sugar

    Whitman details how every food or non-neutral drink lowers oral pH, causing enamel to lose minerals, and how saliva repairs teeth between exposures. They clarify that acid—not sugar itself—causes cavities, but fermentable carbohydrates feed acid-producing bacteria, especially when eaten frequently.

  4. 53:35 – 1:03:00

    Fluoride vs. Hydroxyapatite: Strength, Safety, and Systemic Impact

    The conversation contrasts natural tooth mineral hydroxyapatite with fluoride’s creation of fluorapatite. They cover how fluoride changes enamel, its antimicrobial action, and why many dentists favor it. Whitman then raises concerns about systemic exposure, microbiome effects, neurotoxicity data, and positions hydroxyapatite as a biomimetic alternative.

  5. 1:03:00 – 1:17:00

    Timing Tooth Repair: Saliva, Fasting and Dietary Patterns

    They pinpoint when teeth remineralize—between meals and overnight—if saliva quality and mineral status are adequate. Whitman explains how dehydration, mineral deficiencies, and mouth breathing degrade saliva, and highlights intermittent fasting as a surprisingly powerful tool against cavities.

  6. 1:17:00 – 1:36:00

    Diet, Clean Eating and Whiter Teeth

    The discussion broadens to overall dietary patterns that support oral and systemic health. They emphasize unprocessed whole foods, mineral-rich and fiber-rich choices that feed beneficial bacteria, and connect diet changes to aesthetic benefits like naturally whiter, healthier-looking teeth.

  7. 1:36:00 – 1:57:00

    Nasal vs. Mouth Breathing, Airway Development and Sleep

    They dive into breathing mechanics: how mouth breathing dries the mouth, shifts pH, alters facial growth, and harms sleep. Whitman describes the dysevolution of jaws due to soft diets and reduced chewing, and outlines how early orthodontic expansion and myofunctional therapy can restore nasal breathing.

  8. 1:57:00 – 2:21:00

    Kids’ Teeth, Tongue-Tie, Chewing and Functional Orthodontics

    Whitman focuses on children’s oral development, highlighting breastfeeding, hard foods, chewing, and tongue posture as drivers of proper jaw and airway growth. They discuss tongue-tie evaluation, when frenectomy can help, and why early expansion and myofunctional therapy can prevent lifelong airway and crowding problems.

  9. 2:21:00 – 2:53:00

    Gum Disease, Leaky Gums and Systemic Disease Links

    Whitman explains how gingivitis and periodontitis create “leaky gums,” allowing pathogens and endotoxins into circulation. They connect specific oral bacteria to heart disease, stroke, dementia, infertility, adverse pregnancy outcomes, and several cancers, emphasizing oral microbiome testing as a preventive tool.

  10. 2:53:00 – 3:31:00

    Fluoride in Drinking Water: History, Benefits, and Emerging Concerns

    They unpack the history of water fluoridation, from early 20th-century observations of mottled but decay-resistant teeth to large-scale adoption with limited safety data. Whitman summarizes recent federal litigation, National Toxicology Program findings linking prenatal fluoride to lowered IQ, and Cochrane reviews questioning fluoridation’s benefit magnitude.

  11. 3:31:00 – 3:51:00

    Fertility, Pregnancy, Hormones and Oral Health

    The conversation turns to how oral health intersects with reproductive health, especially in women. Whitman outlines evidence linking gum disease to reduced fertility, sperm abnormalities, miscarriages, prematurity, and pregnancy complications, and describes how hormonal shifts across puberty, pregnancy, and menopause affect gums and oral symptoms.

  12. 3:51:00 – 4:26:00

    Daily Oral Care Protocols: Brushing, Flossing, Tongue Scraping, Products

    They condense the science into practical routines for adults and kids. Topics include optimal brushing/flossing frequency and order, soft-bristle technique, water flossers, tongue scraping, oil pulling, xylitol gum, and management of restorations and sealants, with an emphasis on mechanical plaque disruption over product obsession.

  13. 4:26:00

    Dentistry, Mental Health, and Rethinking the Dentist–Patient Relationship

    The episode closes with a candid discussion of why dentistry is a psychologically challenging profession and why many people fear the dentist. Whitman urges more compassionate, preventive, and systems-based dentistry, especially for children, and Huberman recaps the key behavioral tools viewers can implement immediately.

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